Tool

Compare places

Put up to four U.S. cities, towns or census-designated places side by side on 29 figures: 22 measures from the ACS 2020-2024 5-year estimates, each with its margin, and their 2025 population estimate, growth, density, new homes and housing costs against income. A filled square marks a figure that differs from the first place by more than both margins of error allow; without it, the survey cannot tell the two apart.

How do Oak Brook, IL compare?

Population, growth, density, new homes and housing costs against income (Census Bureau estimates Vintage 2025, 2020 Census, Building Permits Survey 2025, ACS 2020-2024 5-year estimates)
FigureOak Brook, IL
Residents, July 2025 (estimate)8,108
Change since April 2020+0.3%
Residents counted in the 2020 Census8,163
Residents per square mile (2020)1,023
Homes permitted in 2025 per 1,000 residents2.5
Median home value ÷ median household income5.1 years of income
A year of median rent ÷ median income of all households (renters usually earn less)17.7%
ACS 2020-2024 5-year estimates. ■ differs from Oak Brook beyond the margins of error.
MeasureOak Brook, IL
Total population8,056±32
Median age55.2±2.3
Hispanic or Latino (any race)5.7%±3.0 pts
White alone, not Hispanic59.3%±5.5 pts
Black or African American alone, not Hispanic0.3%±0.5 pts
Asian alone, not Hispanic32.7%±5.6 pts
Born outside the United States30.0%±4.5 pts
Bachelor's degree or higher (age 25+)66.4%±4.8 pts
Median household income$175,870±$13,613
Per capita income$104,806±$13,231
People below the poverty line6.6%±3.7 pts
Unemployment rate10.0%±5.0 pts
Median home value (owner-occupied)$903,200±$68,373
Median gross rent$2,590±$629
Renters paying 35% or more of income on rent40.0%±29.7 pts
Owner-occupied homes91.1%±4.1 pts
Built 2020 or later2.0%±1.5 pts
Worked from home20.9%±5.8 pts
Drove alone to work69.8%±5.8 pts
Public transportation2.5%±1.9 pts
Mean travel time to work31.5 min±7.0
No health insurance coverage0.6%±0.5 pts

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); Census Bureau population estimates, Vintage 2025; 2020 Census; Building Permits Survey 2025 · Check it at data.census.gov